The Nintendo 3DS includes two screens, a 3D Depth Slider, a Circle Pad, and a 2GB SD Card.

Functionality includes StreetPass to exchange game data between owners who pass one another.

Additionally, the hardware includes the Nintendo 3DS Camera software, Mii Maker, and the Nintendo eShop to download new software.

The Nintendo 3DS includes 3-D display technology that does not require the use of special glasses.

In addition, the 3DS is backwards compatible with Nintendo DS and DSi games.

The PS Vita, to be sold in Feb. 22, 2012, will include the dual analog sticks, a 5-inch multi-touch OLED display, 3G & GPS, front and rear touch panels, and a compass on three axes. It will utilize flash-memory game cards.